REVIEW] 9398 - Rock Crawler - LEGO Technic, Mindstorms, Model Team and Scale Modeling - Eurobricks Forums
Made an upgrade of the 9398 with XL motors and gave it 30% more additional parts. This is my MK2 version as my first upgrade was not as successful. Also it uses
LEGO TECHNIC: 4x4 Crawler (9398) for sale online | eBay
LEGO Technic 9398 4x4 Crawler Remote Controlled New | eBay